https://devzone.nordicsemi.com/f/nordic-q-a/20375/buttonless-dfu-in-sdk12-2-stuck-after-connectHello, I&#39;ve managed to get the change to DFU working from my app, but now I&#39;m stuck with the buttonless DFU BLE operation. I&#39;ve added extensive logging to the &lt;nRF5_SDK&gt;\components\libraries\bootloader\ble_dfu\nrf_ble_dfu.cHowever file including theen-USTelligent Community 13Wed, 15 Mar 2017 14:10:27 GMThttps://devzone.nordicsemi.com/thread/79420?ContentTypeID=1Wed, 15 Mar 2017 14:10:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b942876f-ca8b-4e0a-a2ef-d06146069276bjorn-spockeli<p>Hi Plippo, which SDK version are you using? Are you trying to add buttonless DFU to a custom application or one of the examples from the SDK? Is it possible for you to upload the application project here on DevZone? If the application should be kept confidential, then I suggest that you create a case in our closed portal Mypage, <a href="https://www.nordicsemi.com/eng/nordic/mypage">here</a> is the link.</p><div style="clear:both;"></div>